$OpenBSD: patch-scrollbar_c,v 1.1 2017/04/28 12:29:33 espie Exp $
--- scrollbar.c.orig	Fri Apr 28 14:23:45 2017
+++ scrollbar.c	Fri Apr 28 14:25:11 2017
@@ -265,6 +265,7 @@ ResizeScrollBar(scrollWidget, x, y, height)
 	ScrollBarDrawThumb(scrollWidget);
 }
 
+void
 WindowScroll(screen, top)
 	register TScreen *screen;
 	int top;
@@ -317,6 +318,7 @@ WindowScroll(screen, top)
 }
 
 
+void
 ScrollBarOn (xw, init, doalloc)
     XtermWidget xw;
     int init, doalloc;
@@ -404,6 +406,7 @@ ScrollBarOn (xw, init, doalloc)
 	}
 }
 
+void
 ScrollBarOff(screen)
 	register TScreen *screen;
 {
